The lattice enthalpy and hydration enthalpy of four compounds are given below `:` `{:("Compuounds","Lattice enthalpy ( in "kJ mol^(-1)")","Hydration enthalpy ( in kJ " mol^(-1)")"),(P,+780,-920),(Q,+1012,-812),(R,+828,-878),(S,+632,-600):}` The pair of compunds which is soluble in water isA. P and QB. Q and RC. R and SD. P and R

The lattice enthalpy and hydration enthalpy of four compounds are give

1.	The lattice enthalpy and hydration enthalpy of four compounds are given below `:` `{:("Compuounds","Lattice enthalpy ( in "kJ mol^(-1)")","Hydration enthalpy ( in kJ " mol^(-1)")"),(P,+780,-920),(Q,+1012,-812),(R,+828,-878),(S,+632,-600):}` The pair of compunds which is soluble in water isA. P and QB. Q and RC. R and SD. P and R
Answer» Correct Answer - d A compound is soluble if hydration enthalpy `gt` lattice enthalpy

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